Examples of org.apache.solr.search.DocIterator

org.apache.solr.search.DocIterator
Simple Iterator of document Ids which may include score information.
The order of the documents is determined by the context in which the DocIterator instance was retrieved.
@version $Id: DocIterator.java 555343 2007-07-11 17:46:25Z hossman $

    SolrParams p = rb.req.getParams();
    IndexSchema schema = searcher.getSchema();
    MoreLikeThisHandler.MoreLikeThisHelper mltHelper 
      = new MoreLikeThisHandler.MoreLikeThisHelper( p, searcher );
    NamedList<DocList> mlt = new SimpleOrderedMap<DocList>();
    DocIterator iterator = docs.iterator();


    SimpleOrderedMap<Object> dbg = null;
    if( rb.isDebug() ){
      dbg = new SimpleOrderedMap<Object>();
    }


    while( iterator.hasNext() ) {
      int id = iterator.nextDoc();
      int rows = p.getInt( MoreLikeThisParams.DOC_COUNT, 5 );
      DocListAndSet sim = mltHelper.getMoreLikeThis( id, 0, rows, null, null, flags );
      String name = schema.printableUniqueKey( searcher.doc( id ) );
      mlt.add(name, sim.docList);
      
      if( dbg != null ){
        SimpleOrderedMap<Object> docDbg = new SimpleOrderedMap<Object>();
        docDbg.add( "rawMLTQuery", mltHelper.getRawMLTQuery().toString() );
        docDbg.add( "boostedMLTQuery", mltHelper.getBoostedMLTQuery().toString() );
        docDbg.add( "realMLTQuery", mltHelper.getRealMLTQuery().toString() );
        SimpleOrderedMap<Object> explains = new SimpleOrderedMap<Object>();
        DocIterator mltIte = sim.docList.iterator();
        while( mltIte.hasNext() ){
          int mltid = mltIte.nextDoc();
          String key = schema.printableUniqueKey( searcher.doc( mltid ) );
          explains.add( key, searcher.explain( mltHelper.getRealMLTQuery(), mltid ) );
        }
        docDbg.add( "explain", explains );
        dbg.add( name, docDbg );

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        // FVH cannot process hl.requireFieldMatch parameter per-field basis
        params.getBool( HighlightParams.FIELD_MATCH, false ) );
    FieldQuery fieldQuery = fvh.getFieldQuery( query );


    // Highlight each document
    DocIterator iterator = docs.iterator();
    for (int i = 0; i < docs.size(); i++) {
      int docId = iterator.nextDoc();
      Document doc = searcher.doc(docId, fset);
      NamedList docSummaries = new SimpleOrderedMap();
      for (String fieldName : fieldNames) {
        fieldName = fieldName.trim();
        if( useFastVectorHighlighter( params, schema, fieldName ) )

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      }
      finfo[i++] = new FieldFacetStats( f, si, ft, 0 );
    }
    
    
    DocIterator iter = docs.iterator();
    while (iter.hasNext()) {
      int docID = iter.nextDoc();
      String raw = all.getTermText(docID);
      Double v = null;
      if( raw != null ) {
        v = Double.parseDouble( all.ft.indexedToReadable(raw) );
        allstats.accumulate( v );

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          fset.add(keyField.getName());  
        searcher.readDocs(readDocs, docs, fset);
      }


      // Highlight each document
      DocIterator iterator = docs.iterator();
      for (int i = 0; i < docs.size(); i++) {
         int docId = iterator.nextDoc();
         Document doc = readDocs[i];
         NamedList docSummaries = new SimpleOrderedMap();
         for (String fieldName : fieldNames) {
            fieldName = fieldName.trim();
            String[] docTexts = doc.getValues(fieldName);

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      if( includeMatch ) {
        rsp.add( "match", match );
      }


      // This is an iterator, but we only handle the first match
      DocIterator iterator = match.iterator();
      if( iterator.hasNext() ) {
        // do a MoreLikeThis query for each document in results
        int id = iterator.nextDoc();
        mltDocs = mlt.getMoreLikeThis( id, start, rows, filters, interesting, flags );
      }
    }
    else {
      throw new SolrException( SolrException.ErrorCode.BAD_REQUEST,

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    public NamedList<DocList> getMoreLikeThese( DocList docs, int rows, int flags ) throws IOException
    {
      IndexSchema schema = searcher.getSchema();
      NamedList<DocList> mlt = new SimpleOrderedMap<DocList>();
      DocIterator iterator = docs.iterator();
      while( iterator.hasNext() ) {
        int id = iterator.nextDoc();
        
        DocListAndSet sim = getMoreLikeThis( id, 0, rows, null, null, flags );
        String name = schema.printableUniqueKey( reader.document( id ) );


        mlt.add(name, sim.docList);

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    incLevel();
    boolean first=true;


    SolrIndexSearcher searcher = req.getSearcher();
    DocIterator iterator = ids.iterator();
    for (int i=0; i<sz; i++) {
      int id = iterator.nextDoc();
      Document doc = searcher.doc(id, fields);


      if (first) {
        first=false;
      } else {
        writeArraySeparator();
      }
      indent();
      writeDoc(null, doc, fields, (includeScore ? iterator.score() : 0.0f), includeScore);
    }
    decLevel();
    writeArrayCloser();


    if (otherFields !=null) {

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      }
      finfo[i++] = new FieldFacetStats( f, si, ft, 0 );
    }
    
    
    DocIterator iter = docs.iterator();
    while (iter.hasNext()) {
      int docID = iter.nextDoc();
      String raw = all.getTermText(docID);
      Double v = null;
      if( raw != null ) {
        v = Double.parseDouble( all.ft.indexedToReadable(raw) );
        allstats.accumulate( v );

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        return ids.offset();
      }


      public void writeDocs(boolean includeScore, Set<String> fields) throws IOException {
        SolrIndexSearcher searcher = request.getSearcher();
        DocIterator iterator = ids.iterator();
        int sz = ids.size();
        includeScore = includeScore && ids.hasScores();
        for (int i=0; i<sz; i++) {
          int id = iterator.nextDoc();
          Document doc = searcher.doc(id, fields);
          writeDoc(null, doc, fields, (includeScore ? iterator.score() : 0.0f), includeScore);
        }
      }
    }, fields );
  }

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      if( includeMatch ) {
        rsp.add( "match", match );
      }


      // This is an iterator, but we only handle the first match
      DocIterator iterator = match.iterator();
      if( iterator.hasNext() ) {
        // do a MoreLikeThis query for each document in results
        int id = iterator.nextDoc();
        mltDocs = mlt.getMoreLikeThis( id, start, rows, filters, interesting, flags );
      }
    }
    else {
      throw new SolrException( SolrException.ErrorCode.BAD_REQUEST,

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